<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="文件" prop="fileId">
        <el-input
          v-model="queryParams.fileId"
          placeholder="请输入文件"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="类型" prop="type">
        <el-select v-model="queryParams.type" placeholder="请选择类型" clearable size="small">
          <el-option
            v-for="dict in typeOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-table v-loading="loading" :data="filesList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="文件" align="center" prop="title" />
      <el-table-column label="类型" align="center" prop="type" :formatter="typeFormat" />
      <el-table-column label="共享" align="center" prop="type" :formatter="publicFormat" />
      <el-table-column label="上传时间" align="center" prop="addTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['yun:files:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改云盘文件对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="目录" prop="folderId">
          <el-input v-model="form.folderId" placeholder="请输入目录" />
        </el-form-item>
        <el-form-item label="文件" prop="fileId">
          <el-input v-model="form.fileId" placeholder="请输入文件" />
        </el-form-item>
        <el-form-item label="类型" prop="type">
          <el-select v-model="form.type" placeholder="请选择类型">
            <el-option
              v-for="dict in typeOptions"
              :key="dict.dictValue"
              :label="dict.dictLabel"
              :value="dict.dictValue"
            ></el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listFiles, getFiles, delFiles, addFiles, updateFiles, exportFiles } from "@/api/yun/files";

export default {
  name: "Files",
  components: {
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 云盘文件表格数据
      filesList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 类型字典
      typeOptions: [],
      // 类型字典
      yesnoOptions: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        folderId: null,
        fileId: null,
        type: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        folderId: [
          { required: true, message: "目录不能为空", trigger: "blur" }
        ],
        fileId: [
          { required: true, message: "文件不能为空", trigger: "blur" }
        ],
        type: [
          { required: true, message: "类型不能为空", trigger: "change" }
        ]
      }
    };
  },
  created() {
    this.getList();
    this.getDicts("file_type").then(response => {
      this.typeOptions = response.data;
    });
    this.getDicts("sys_yes_no").then(response => {
      this.yesnoOptions = response.data;
    });
  },
  methods: {
    /** 查询云盘文件列表 */
    getList() {
      this.loading = true;
      listFiles(this.queryParams).then(response => {
        this.filesList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 类型字典翻译
    typeFormat(row, column) {
      return this.selectDictLabel(this.typeOptions, row.type);
    },
    // 共享字典翻译
    publicFormat(row, column) {
      return this.selectDictLabel(this.yesnoOptions, row.isPublic);
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        folderId: null,
        fileId: null,
        type: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加云盘文件";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getFiles(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改云盘文件";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateFiles(this.form).then(response => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addFiles(this.form).then(response => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除选中的文件?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delFiles(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        })
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有云盘文件数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return exportFiles(queryParams);
        }).then(response => {
          this.download(response.msg);
        })
    }
  }
};
</script>
